9390020

素因数分解:

$2^2\times 5^1\times {\mathrm{469501}}^1$

素因数の和:469510

約数の個数: 12

約数和(自身を含む): 19719084

約数和(自身を除く): 10329064

約数列:

[1, 2, 4, 5, 10, 20, 469501, 939002, 1878004, 2347505, 4695010, 9390020]

約数ペア:

[(1, 9390020), (2, 4695010), (4, 2347505), (5, 1878004), (10, 939002), (20, 469501)]